题目内容
1.They are______ ______(募捐)for the students in Lushan earthquake.
2.He______ ______ _____(志愿帮助)old people at an Old People House.
3.To______ ______(使我们高兴的是),we found the owner of the lost dog.
4.The______(感觉)of helping others makes me______(觉得)happy.
5.They______ _______(有困难)climbing the mountain.
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